/*******************************************************************************
 *  Copyright 2017 Huawei Technologies Co., Ltd.
 * 	                                                                                 
 * 	Licensed under the Apache License, Version 2.0 (the "License"); you may not      
 * 	use this file except in compliance with the License. You may obtain a copy of    
 * 	the License at                                                                   
 * 	                                                                                 
 * 	    http://www.apache.org/licenses/LICENSE-2.0                                   
 * 	                                                                                 
 * 	Unless required by applicable law or agreed to in writing, software              
 * 	distributed under the License is distributed on an "AS IS" BASIS, WITHOUT        
 * 	WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the         
 * 	License for the specific language governing permissions and limitations under    
 * 	the License.                                                                     
 *******************************************************************************/
package com.huawei.openstack4j.openstack.common.functions;

import com.google.common.base.Function;

/**
 */
public class ReplaceVersionOfURL implements Function<String, String> {
	
	public static final String VERSION_REGEX = "/[v|V][0-9]+(\\.[0-9])*";
    
    private final String version;
    
    private ReplaceVersionOfURL(String version) {
    	this.version = version;
    }
    
    public static ReplaceVersionOfURL instance(String version) {
        return new ReplaceVersionOfURL(version);
    }
    
    
    @Override
    public String apply(String input) {
    	return input.replaceFirst(VERSION_REGEX, version);
    }
    
}
